<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>056-函数的参数.html</title>
	<script>
	function sayName(name){
		alert("hello" + name);
	}
	sayName("zayar");
	sayName("chris");
	</script>
</head>
<body>
	
</body>
</html>